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Finding the Fourth Proportional to 359,648,352.80, 496,314,720.80 and 194,635,922.28

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Solution

The fourth proportional to 359,648,352.80, 496,314,720.80 and 194,635,922.28 is: 268,597,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,648,352.80 : 496,314,720.80 = 194,635,922.28 : x
  2. Step 2: Convert to fraction form
    359,648,352.80/496,314,720.80 = 194,635,922.28/x
  3. Step 3: Cross multiply
    359,648,352.80x = 496,314,720.80 × 194,635,922.28
  4. Step 4: Simplify right side
    359,648,352.80x = 96,600,673,424,048,704
  5. Step 5: Solve for x
    x = 96,600,673,424,048,704/359,648,352.80
  6. Step 6: Final answer
    x = 268,597,569.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.